Machine for lasting shoes



Aug. 9, 1938.v E. BROTHERS 2,125,884

MACHINE FOR LAST ING SHOES vx/EN TUR.' a

E. BROTHERS Filed Oct. 4, 1957 MACHINE FOR LASTING SHOES Aug. 9, 1938.

Aug. 9, 1938. E. BROTHERS I 2,125,884

' 1 MACHINE FOR LASTING SHOES Filed Oct. 4, 1937 3 Sheets-Shet 3 ZZ f `Patented Aug. 9, 1938 .Unir-e sra'res PATENT OFFICE 2,125,884.A MACHINEFon LAsTI-Ne snoEs Application ctober4, 1937,v Serial No. 167,102`

12 Claims.

This invention relates to the manufacture of shoes-:and is illustratedhereinwithreference to machines for use inlasting shoes.

An important object of the invention is to prool-'vide-'animprovedmachine for use in securing shoe uppers in lasted relation `toinsoles bycement which will be efficient, economical and easy tooperate, and which Will expedite the operation of cement lasting a shoeupper;

" `To this end andin accordance with one feature of the invention, thereis provided in a machine of the type referred'to means for supporting'ashoethe upper of which is to 'be lasted by cement,

in combination With a flexible memberfor Workb ing the lasting margin orallowance of the upper` in-to overlasted relation to an insole, andmeans `ioractuating said flexible member in a manner to cause it tooperate on portions of the upper located at separated portionsof theshoe bottomv 2msimultaneously and in planes substantially parallel tothe planes of the shoe bottom at Which saidportions of the ,upper arelocated.

As herein illustrated, 'the exible memberlprefeably comprises a wirewhich may be endless and 'f'ris provided with oppositely disposed loopsadapted' Vto `surround and engage the lasting marginv of the upper atthe toe and heel portions of the shoe. The actuatingmeans comprises aroll or drum carrying the flexible member and arranged when h-in anoperative position `to locate ther loops in positions to Work thertoeand heel portions of the upper simultaneously into overlasted position.When the rollis rotated the loops of the wire member are drawn towardeach Vother to |=5tance` at least equal to the lasting margin thereof;-

`Further objects andl features of the invention, including novelmechanisms for operatingthe shoe `supporting members yi'eldingly,formoving the ilexiblelasting member into and outlof operA`"=fative1position;` and for rotating the-irollfto actuate" the flexiblelasting member after'- it has Ybeen locatedin its operative position,will now be described: connection with vthe accompanying ldrawings andWill thereafter be pointed'out inthe claims..

' the drawings; f

Fig; 1 is a side elevation of the machine embodying the presentVinvention' vvith` parts broken away and in" section;

Fig; 2 is a similarview ofthe upper portion of 5 the machine on anenlarged scale afterthe machine has operated on a. shoe; and

Fig. 3 isa rearelevation of the upper portion of the machine after it'has operated on a shoe.

The machine comprises a base E and an up- 10 standing hollow column Ahaving secured to its upper end by'screws H'ra horizontal bracket l2.The bracket |2` is provided with two upstanding walls I4, I6` betweenthe upper portions of which is pivoted on a horizontal shaft I8 a pairof 15 L-shaped levers 20 and 22. The lever 22 has a lateral projection24 at its upper end to which is` pivoted, by a pin 26, a shoe supportingand lupper lasting member 28.A The lever 28 likewise has pivoted on alateral projection 38 by a pin 32a 2011 similar shoeV supportingandupperl'asting member 34. As shown in the drawings, the members 28; 34are arrangedto engage the opposite sides of a shoe from about the tipline to the heel breast line and their configuration is such that theycon-y 25- form substantially to the opposite sides of the portions'ofthe shoe which they are adapted to engage. V'llremembers 28, 34arepreferably composed of metal' and are faced on their shoe engagingsurfaces with relativelyyieldable material 30` 36f (Fig. 2)", suchasleather4 or rubber. The ar-V rangement ofthese members4 on theupperends of the levers 2U, 2-2`` is such that they normally assume theposition shown in Fig. 1 relatively to the levers, but are capable ofsuflicient pivotal 35A movement to permit themto adjust themselvesreadily to the shape of the shoe. As shown in; Fig. 2, when the members28, 34 aremoved: into operative relation to a shoe their upper portionsoverlapthe lasting' margin of the shoe bottom. 40

movement inside thecolumn 8:- The lowerend ,50"

off thev rod 54 isin. the form of'a disk 58 which has a` sliding nt. inthe bore ofthe cylinder and thus acts-as a piston.A Interposed` betweenthe-end of thepiston 581Y arrdl'anut 68- threaded into the top ofthecylinderis-.a relatively heavy compression spring 62. The nut 60 may beadjusted in the cylinder to vary the tension on the spring 62 and it maybe held in adjusted position by a lock nut 64 (Fig. 2).

A treadle rod 66 is adjustably secured to the lower end of the cylinder56 and extends through lugs 68, 'l0 in the column 8 (Fig. 1) to beconnected at its lower end by a pin and slot arrangement 'i2 to atreadle .14 fulcrumed on a shaft 16. The upward limit of the movement ofthe treadle is determined by a stop 18 on the base 6 and the treadle isnormally maintained in its elevatedv end on an eccentric pin84Uadcasting 86 having a laterally extending elongated portion 88. Ro-

tatably mounted in the casting 86 is a'fsleeve 90 .having formed on itsinner or rightfhand end,

as viewed in Fig. 2, a pinion gear-.92. Mounted inside the sleeve 90 isthe shank portion 94 of a roll or drum 96 which projectsinwardly beyondthe casting and is arrangedwhen in an operative position to extendtransversely of a shoe bottom at about the center of the shank portionof the shoe, as shown in Fig.`3. The roll or drum 96 is of such adiameter that when located as described above, its top side will liesubstantially tangent to the plane of the forepart of a shoe bottomoperatively positioned in the machine, and its bottom side will betangent, or substantially so, to the general plane of the heel seatportion of the shoe. The sleeve 90 'and shank portion 94 of the roll arerotatably secured in the casting 8Brby a collar 98 bearing against anouterl surface of the casting and securedto the sleeve and shank 94 by apin |00.v The roll 96 may be adjusted laterally of the machine foroperating on shoes of different widths by the eccentric pin 84.

About midway of its length the roll 96 is provided with av diametricalhole |02 as shown in Fig. 3. These opposite ends of the hole |02, asbest shown in Figs. 2 and 3,'are` rounded, outwardly to blend smoothlywith the surface of the roll. Passing loosely through the hole |02 is aflexible member |04 .preferablya wire of spring steel which will bendreadily and conform itself to different shapes. v The `iiexible member|04` is bent into the shape of a loop |06 at the portion thereof whichextends out of theV end of the hole |02 nearest the top of VtheY roll,this loop eX- tending forwardly in a position to surround and engage thelasting margin of the forepart of the shoe upper when the shoe isoperatively positioned in the machine. In other words, the loop |06curves around the roll 96 from the hole |02 and, when the roll is in anoperative position, extends forwardly substantially in the plane of theforepart of the shoe bottom. The opposite direction of the ilexiblemember |04, which extends out of the lower end of the hole |02, curvesrearwardly around the bottomA of the roll and forms a loop |08 Awhichlies substantially inthe plane of the heel seat portion ,of the shoebotvtom and is in a positionto surround .and en,- gage the lastingmargin'of the heel seatr p0rtion of the upper, as` shown inFigs. 2 and3. Thelateral adjustment ofthe roll `96 provided by the eccentric pin 84referred to lis suiiicient.

of the hole in conjunction with the exibility of the wire |04 willpermit the intermediate portion of the wire to slip readily through thehole during rotation of the roll if one loop or the other should be heldagainst movement longitudinally of the shoe bottom during such rotation.

When the roll is rotated the loops |06, |08 are caused to engage thelasting margins of the upper located at the toe and the heel seatportions of the shoe and to work these margins over the shoe bottom intooverlasted position,

vthis operation being preferably facilitated by the operator graspingthe marginal portions of the upper above the wire loops to insure thatboth loops will be moved rinto operative engagement with the upperduring the initial rotation of the roll and that thereafter the pressureor pull of the loops in working the lasting allowance of the upper overthe margin of the insole is substantially uniform at both portions ofthe shoe bottom.

As shown in Fig. l, the roll 96 and the flexible lasting member |04 areinitially located in an upwardly inclined position at one side of thesupporting members 28, 34, thereby providing ample space for the shoe tobe mounted in these members without interference from the roll. The rolland lasting members are arranged to be swung downwardly into theposition shown in Fig. 2, and the roll thereafter rotated to actuate thelooped member in the following manner.

Mounted for reciprocating movement lengthkwise of the lateral projection68 on the casting ||8 to a lower rod |20 having a slot |22 at its lowerportion. The cylinder 56 has a screw |24 mounted therein which passesthrough the slot |22 in the lower rod |20 so that, upon downwardmovement of the cylinder, the entire rod is lowered to operate the rackbar and thereby to rotate the pinion 92 and roll 96. The amount that thepinion and roll are rotated in a clockwise direction, as viewed in Fig.3, is governed by the distance the cylinder 56 is lowered by depressionof the treadle 14, this rotation, of course, operating the oppositelydisposed loops of the ilexible member to work the upper into overlastedposition. The amount that the pinion and r'oll 94 may be rotated in anopposite or counterclookwise direction is determined by a stop pin |26projecting from the lower end of the rack bar ||0 and having a flattenedupper side adapted to engage a groove or notch |28 formed in the lowerend of the projection 88. When the mechanism is in this-latter position,as shown in Fig. 1, the pin |24 on the cylinder is at the upper end ofthe slot |22 and the roll 96 is in its initial or inoperative positionwith respect to its rotation. A relatively light tension spring |30(Figs. ,1 and 2) is secured at its upper end to a pin |32 in the casting88 and at its lower end to the lever 20 for the purpose of swinging theroll automatically into a substantially horizontal or operative-position over the shoe so that it will be in a position to actuate thelooped portions of the lasting member when the roll is rotated by therack bar.

vIn operating the machine to secure a shoe upper in overlasted relationto an insole, a shoe upper A, assembled with an insole B (Fig. 2) on alast C, is placed between the supporting memloosely- A.between them.Theimarginal'portionV of-1 the outer surface of the insole B- andi-the'-inner' surface of the shoe upper Wi'llhave Vrst' been coated with acementsuitablefor securing the upper in lasted relationArr to theinsole. Cements which may be used Afor thisl purpose are preferablythose which are tacky when applied or which' become tacky in arelatively'- short time thereafter such; for example,V as' latex orother types of` Irubber cement; 'f Theoperator depresses the treadl'e 14to lower the cylinder 5% and, through the spring-pressed pis'f` ton'arrangement 58, $2-, toA swing the 'upper' arms of theV leversV 2'0, 224toward each other to cause the" shoe supporting members 23, '3'4 to'grip the opposite sides of the shoe yieldingly `over areas'V extendingsubstantiallyfrom the tipline tothe heel breast line, as shown in Fig.3. The shoe upper is thus clamped firmly against ythe last by` theyeldable facings on these supporting' members and the lastingmargins ofthe upper at `the opposite sides of' the shoe are *Worked over the outerface of the insole B and into lasted position, as shown in Fig. 2'.

As the cylinder 56' descends `and the levers 20,. 22 swing toward eachother to grip the shoe, thev angle of the casting 68 and roll ,96 on thelever` becomes such that the casting is more nearly balanced above itspivot 84 and the light'spring` is then sufficient to pull it forwardlyauto` matically into the substantially horizontal position shown in Fig.2,th`is latter position being determined by the `upper face of thelateralproj'ection 3l) on the lever 2U. The roll 964 is then in aposition transversely ofthe shank` portion of the shoe bottom to actuatethe flexible lasting` member IM and to cause the loops- IDS, |08 to moveinto engagement with the marginsof the shoe upper at the toe and heelseat portions of the shoe bottom and to Work these margins over theedges-of the insole and into lasted relation thereto. The operator willnow make sure` that the looped portions l-, |58 of the lexiblemem berare surrounding the lasting margins of. the upper and he may preferablygraspv the upper, above said looped portions to insurey that theL latterexert a wiping pull thereon and also'` tov insure that, if one loopedportion engages the upper before the other, the portion of the wirepassing through the roll will slip until both looped portions are inoperative relation to the marginal portions of the upper.

As the treadle is depressed further the pin |24 on the cylinder engagesthe lower end of the slot |22 in the rod |20 and lowers this rod toreciprocate the rack bar l0 and rotate the pinion 92 and roll 96.Rotation of the roll draws the looped portions of the ilexible lastingmember toward each other lengthwise of the shoe until the lastingmargins of the upper at both the toe end and the heel seat portion ofthe shoe are Worked entirely over the marginal portion of the insole andhave become secured in lasted relation thereto by the cement.

The operator may then release the treadle, which is returnedto itselevated position by the compression spring 8B, thereby elevating thecylinder 56 and returning the casting 86 and roll 96 to the positionshown in Fig. 1, this action putting a tension on the spring |30 whichis utilized thereafter in swinging the rol1`- into itshorizontal-positiony for operating on another shoe, as explained above.The-side lasting members or supports 2B and 3l! are by thissame actionreturned to their open positions ready to receiveanother shoe.

Having thus described my invention,r what I claim as new and desire tosecure by Letters Patent of the UnitedStates is:

1. In a machine for lasting shoes, the combination-of means forsupporting a shoe, a Ilexiblemember for working the lasting margin ofthe-shoe upper into'overlasted relation to an insole; and means foractuating saidilexible member to cause it to operate on portionsof theupper located `at separatedportions of the shoe bottom simultaneouslyand'in planes substan` tially parallel-to the planes of "the shoe bottomat which said portions of the upper are located.

2. In a machine for lasting shoes, the combination ofl means forYsupporting a shoe, a flexible member for engaging the lasting allowanceof the shoe upper and working it into overlasted ranged to position thelooped portionsthereof in proper planes for operating simultaneously onsaid opposite endl portions of the upper.

4. In a machine for lasting shoes, the combination of means forsupporting a shoe, a ilexible member provided with loops for engagingand working the forepart and heel portions of the shoe upper intooverlasted position, and a roll for supporting and simultaneouslyactuating the loops ofsaid member, said rollA extending trans- Verselyof the shank portion of the shoe when in operative position and being ofa diameter that positions said'lo'ops in planes substantially parallelto. the planes of' the forepart and the heelrportions of the shoe bottomrespectively.

5. In a. machine for lasting shoes, the combination of means forsupporting a'shoe, a roll extending transversely of the shoe bottomwhenY in an operative position and provided with a hole crossing its ownaxis, a ilexible member passing through said hole and provided Withloops for engaging and Working the toe and heel portions of the shoeupper simultaneously into overlasted position, and means for rotatingsaid roll.

6. In a machine for lasting shoes, the combination of means forsupporting a shoe, a flexible member provided with oppositely disposedloops for working the portions of the shoe upper at opposite ends of theshoe into overlasted position, and rotatable means for actuating saidflexible member constructed and arranged to permit said member to sliprelatively to said rotatable means if one of said loops should be in aposition to operate on the upper before the other loop is in suchposition, thereby insuring that both portions of the upper will belasted simultaneously irrespective of their being initially 1ocatedunequal distances from their respective loops.

'1. In a machine for lasting shoes, the combination of means forsupporting a shoe, a rotatable roll extending transversely of the shankportion of the shoe when in an operative position and provided with adiametrical hole at right angles thereto, a exible wire passing looselythrough said hole and having a loop at one end of the hole for workingthe toe portion of the shoe upper into overlasted position, and a loopat the other end of the hole for working the heel seat portion of theupper into overlasted position, the diameter of said roll being suchthat said loops operate in planes substantially parallel to the planesof the portions of the shoe bottom upon which the respective loops arearranged to operate, and the arrangement of the wire and roll being suchthat, if one loop engages the upper before the other loop, the wireslips lengthwise through the hole untilsaid other loop is in upperengaging position, and treadle operatedmeans for rotating said roll.

8. In a machine for lasting shoes, the combination of means forsupporting a shoe, a flexible member for working the portions of theshoe upper at opposite ends of the shoe into overlasted position, a rollfor supporting and actuating said member, said roll being arranged toswing from an inoperative position at one side of the shoe into asubstantially horizontal operative position extending transversely ofthe shank portion of the shoe, and means for swinging said roll intosaid operative position and for thereafter rotating the roll to actuatethe flexible member so that it operates on both end portions of theupper simultaneously and with substantially equal force.

9. In a machine for lasting shoes, the combination of means forsupporting a shoe, a wire formed into loops for working the portions ofthe upper at the toe and heel portions of the shoe into overlastedposition, a roll for supporting said operate, and means for rotating theroll to actuate the loops simultaneously.

10. In a machine for lasting shoes, the combination of means forsupporting a shoe at opposite sides thereof between its toe and heelportions and for working the upper at said opposite sides intooverlasted position, flexible means pro,- vided with loops for workingthe' toe and heel portions of the upper into overlasted position,

and single means for actuating said supporting means and said exiblemeans, thereby to work the entire upper into overlasted position.

11. In a machine for lasting shoes, the combination of members forsupporting a shoe, said members engaging the opposite sides of the shoebetween its toe and heel seat portions and being adapted to be movedyieldingly toward the shoe to work the opposite sides of the upperbetween said toe and heel seat portions into overlasted position, aflexible member provided with oppositely extending loops for working thetoe and heel seat portions of the upper into overlasted position, a rollsupporting said flexible member and rotatable to-actuate said member,said roll being arranged to be swung into a position extendingtransversely of the shoe bottom from an upwardly inclined position atone side of the shoe, and single means for moving the shoe supportingmembers yieldingly toward the shoe to work the opposite side portions ofthe upper into overlasted position, for swinging the roll into saidtransverse position, and for thereafter rotating said roll to cause theloops of the flexible member to work the toe and heel seat portions ofthe upper simultaneously into overlasted position.

12. In a machine for lasting shoes, the combination of members forsupporting the opposite sides of a shoe between its toe and heel seatportions, said members being also operable to work the lasting marginsof the upper at the sides of the shoe engaged thereby into overlastedposition, pivoted levers for supporting said members, a roll carried byone of said levers and arranged to swing from an upwardly inclinedinoperative position to an operative position over the shoe, a flexiblemember carried by said roll and having loops arranged by rotation of theroll to work the toe and heel seat portions of the upper simultaneouslyinto overlasted position, means for moving said levers yieldingly towardthe shoe to cause the supporting members to operate on the oppositesides of the upper, resilient means for swinging said roll and flexiblemember into operative position over the shoe as the levers operate, andmeans actuated by the operation of said moving means and in timedrelation thereto for rotating the roll to cause the loops on said exiblemember to work the toe and heel seat portions of the uppersimultaneously into overlasted position.

ELI BROTHERS.

l CERTIFICATE OFICORRECTION. Patent Nm 2,125,88h 1 .Y August-9, i958 vELi BROTHERS.,

` It is hereby certified that error appears in the printed4specification of the above numbered patent requiring correction asfollows: Page 2, first column, line 65, for the word "direction" readportion; and that the said 4 Letters Patent should be read withthi-sncorrection therein thatv the same may conform to the record of theoase in `theA Patent Office.

Signed and sealed this 20th day of December, A. 'Dr 1958.

' Henry Van Arsdal e (Seal) Acting Commissioner of Patents-

